Finding the Fourth Proportional to 129,174.14, 193,694.79 and 58,035.81
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Solution
The fourth proportional to 129,174.14, 193,694.79 and 58,035.81 is: 87,023.87
Step by Step Solution
- Step 1: Write the proportion equation
129,174.14 : 193,694.79 = 58,035.81 : x - Step 2: Convert to fraction form
129,174.14/193,694.79 = 58,035.81/x - Step 3: Cross multiply
129,174.14x = 193,694.79 × 58,035.81 - Step 4: Simplify right side
129,174.14x = 11,241,233,884.89 - Step 5: Solve for x
x = 11,241,233,884.89/129,174.14 - Step 6: Final answer
x = 87,023.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.